Abstract
This literature review is based on data on amounts of plant nutrients in trunk biomass, other biomass, litter, humus and soil in tropical rain forest ecosystems obtained from 24 publications. These data were compared with corresponding figures for 29 randomly selected temperate coniferous stands and 14 randomly selected temperate deciduous forests stands. No statistically significant difference was found between tropical rain forests and temperate forests in terms of concentrations of phosphorus in trunks or in the trunk proportion of the total amount of phosphorus in the ecosystem. There are statistical differences between lowland tropical rain forests and temperate coniferous and deciduous forests in concentrations of nitrogen and magnesium in trunks, but for potassium and calcium only between lowland tropical rain forests and temperate coniferous forests. However, when the amounts of plant nutrients in trunks are calculated in percentages of the amounts in the ecosystems, statistical differences are found in amounts of nitrogen and magnesium only between lowland tropical rain forests and temperate coniferous forests.
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